270 TROCEEDINGS OF THE MALACOLOGICAL SOCIETT. 



19. Cantharidus purpuratus (Martyn). 



Limax piirpuratus, Martyn : Univ. Concli., pi. Ixviii (1784). 

 Cantharidus purptirai us (INIartyn): Hixtton, Man. New Zealand Moll., 



p. 99 ; Button, Proc. Linn. 8oc. New South ^yalcs, vol. ix, 



p. 361 ; Hutton, Trans. New Zealand Inst., vol. xv, 



p. 124, pi. xiv, fig-. (radula) ; Pilsbry, Man. Concli., 



ser. T, vol. xi, p. 124, pi. xlv, fig. 44. 

 Trochus rostratus, Gmelin : Syst. Nat., 13th ed., p. 3580. 

 Trochus eleffans, Gmelin, t.c, p. 3581. 



PluiHianrUa riihella, Menkc : Syn. Moth. Moll., p. 51 {teste Hutton). 

 Trochus ^iallidus, Hombr. & Jacq. : Voy. Pole Sud, Zool. vol. v, p. 55, 



pi. xiv, figs. 12, 13 (not pall ulus, Forbes). 

 Cantharidus pallidus (Hombr. & Jacq.) : Hutton, Man New Zealand 



Moll., p. 100. 

 Trochus rostratus, Kicncr : Spec, et Icon., pi. xlvi, fig. 1. 

 Trochus torosus (Q,uoy MS ) : Kiener, op. cit., pi. xlvi, fig. 3. 

 Cantharidus purpuratus (Martyn) : Pilsbry, Man. Conch., ser. i, vol. xi, 



p. 125, pi. xlv, fig. 45. 



Shell imperforate, acutely conical, first whorls reddish or reddish- 

 green, the remainder whitish, sometimes ornamented with rosy oblique 

 streaks ; spirally cingulate, cinguli flat, five on the penultimate whorl, 

 the narrow interstices lamelloso-striate. Last whorl subangular, con- 

 vex beneath. Aperture subtrapezoidal. Urate and highly iridescent 

 within. Columella nearly vertical. Alt. 22, diam. 16 mm.; alt. 32, 

 diam. 19 mm.; alt. 24. diam. 20 mm. 



Ilab. — Auckland to Banks' Peninsula ; on rocks, but more often on 

 floating seaweeds. 



Var. texturata, Gould. 



Trochus texturatus, Gould: Proc. Bost. Soc. Nat. Hist., vol. iii (1849), 



p. 90. 

 Cantharidus texturatus (Gould) : Hutton, Man. New Zealand Moll., 



p. 99 ; Trans New Zealand Inst., vol. xiv, p. 165, pi. vii, 



flg. I (radula) ; Pilsbry, Man. Conch., ser. i, vol. xi, 



pri25, pi. xlv, figs. 41-3. 



The ribs with a secondary sculpture of fine spiral striae, the whole 

 surface covered by sharp incremental strise. 

 Hah. — The same as the type. 



20. Canthaeidus rtiPiLLUS, Hutton. 



Cantharidus pupillus^ Hutton : Proc. Linn. Soc. New South Wales, 

 vol. ix (1884), p. 362 (not Trochus pupillus, Gould); 

 Trans. New Zealand Inst., vol. xiv, p. 165, pi. vii, 

 fig. K (radula) ; Pilsbry, Man.. Conch., ser. i, vol. xi, 

 p. 130. 



